2002 GMC Sonoma Repair Question
Topics covered: Idle air control valve, Sensor, Throttle cable.
Mileage: 110,000 miles.
Mileage: 110,000 miles.
Asked on July 30, 2012
Acts like throttle sticks when let off .. what could it be
2002 4.3 sonoma 5 speed acts like has a vacuum leak around 3 grand and wants to stay idoled high for awhile.. have checked around the upper intake with carb cleaner to see if it was busted and nothing .. changed mass air flow and throttle position sensors also .. not sure what else to do??
Asked by 63 ford uni bodyAnswer
Replied on July 30, 2012
Check the throttle cable for sticking could be a frayed cable. Disconnect it from the throttle and see if it idles normally. Clean the air passage to the idle air control valve with tbi cleaner.